Invention Grant
US5400643A Gas sensor based on semiconductor oxide, for gaseous hydrocarbon
determination
失效
基于半导体氧化物的气体传感器，用于气态烃测定
- Patent Title: Gas sensor based on semiconductor oxide, for gaseous hydrocarbon determination
- Patent Title (中): 基于半导体氧化物的气体传感器，用于气态烃测定
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Application No.: US168232Application Date: 1993-12-17
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Publication No.: US5400643APublication Date: 1995-03-28
- Inventor: Lucio De Angelis , Roberto Riva , Luciano Occhio
- Applicant: Lucio De Angelis , Roberto Riva , Luciano Occhio
- Applicant Address: ITX Milan ITX Milan
- Assignee: Eniricerche S.p.A.,SNAM S.p.A.
- Current Assignee: Eniricerche S.p.A.,SNAM S.p.A.
- Current Assignee Address: ITX Milan ITX Milan
- Priority: ITXMI92A2939 19921223
- Main IPC: G01N27/12
- IPC: G01N27/12 ; G01N33/00
Abstract:
A sensor device for gaseous hydrocarbons includes two semiconductor oxide-based sensitive elements, one of which is a sensitive reference element and the other a sensitive measuring element, this measuring element being covered with a layer of electrically insulating porous material containing a dispersed noble metal. The two sensitive elements are formed by silk-screen processes, are connected to an electronic signal comparison system, and are maintained at different temperatures when in operation. The sensor has improved selectivity in determining gaseous hydrocarbons, in particular methane, even if high concentrations of interfering gases such as ethanol are present.
Public/Granted literature
- US6015633A Fluid flow plate for water management, method for fabricating same, and fuel cell employing same Public/Granted day:2000-01-18
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